Zakho climate — normals and trends
Zakho (Iraq) has a hot-summer mediterranean climate (Csa) under the Köppen-Geiger classification. Its mean annual temperature is 15.5 °C and it receives 687 mm of precipitation per year.
These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.
The warmest month is July (30.0 °C on average) and the coldest is January (1.8 °C). Rainfall peaks in March.
Zakho averages 70 frost days, 120 hot days (≥ 30 °C) and 76 rainy days per year.
Zakho has warmed by +1.9 °C between 1940 and 2025, or +0.22 °C per decade. This trend is statistically significant.
The number of frost days there went from about 82 to 58 per year over the period.
The hottest day of the period reached 44.9 °C (on 25 July 2025) and the coldest -21.4 °C (on 5 January 1942).
Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.
Climate normals · ERA5
ZakhoDuhok Governorate
- coords
- 37.15°, 42.69°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
15.5°C
Average daily high
22.2°C
Average daily low
8.5°C
Annual rainfall
687mm
Sunshine / day
10.6h
Mean relative humidity
51%
Average peak wind
9.9km/h
Seasonal range
28.2°C
Frost days (< 0 °C)
70 d/yr
Hot days (≥ 30 °C)
120 d/yr
Rainy days (≥ 1 mm)
76 d/yr
Annual snowfall
64.2 cm
Average feels-like high
20.8 °C
Average feels-like low
5.7 °C
Average peak gust
28.6 km/h
Tropical nights (≥ 20 °C)
39 d/yr
Solar radiation
18.5 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.9 °C
since 1940
+0.2 °C per decade · r² = 0.26 · p = < 0.001
Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).
A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.
Records for the period
Hottest day
44.9 °C
25 July 2025
Coldest day
-21.4 °C
5 January 1942
Wettest day
69 mm
20 November 2023
Windiest day
28.5 km/h
16 June 1992
Strongest gust
97.2 km/h
22 February 2004
Hottest feels-like
44.7 °C
6 August 1973
Coldest feels-like
-26.1 °C
5 January 1942
Snowiest day
25.7 cm
2 January 1992
Sunniest day
14.0 h
20 May 1940
Normals computed over complete calendar years 1940–2025.
A specific year
Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?
Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 11.1 °C | +3.7 °C | 12 mm | -106 mm |
| Feb | 8.6 °C | -0.5 °C | 74 mm | -38 mm |
| Mar | 18.6 °C | +5.3 °C | 47 mm | -73 mm |
| Apr | 21.9 °C | +2.6 °C | 63 mm | -27 mm |
| May | 30.3 °C | +4.4 °C | 22 mm | -17 mm |
| Jun | 35.9 °C | +2.8 °C | 1 mm | -2 mm |
| Jul | 39.6 °C | +2.0 °C | 0 mm | -0 mm |
| Aug | 39.9 °C | +2.9 °C | 0 mm | -0 mm |
| Sep | 33.4 °C | +1.0 °C | 0 mm | -2 mm |
| Oct | 27.0 °C | +2.1 °C | 6 mm | -23 mm |
| Nov | 21.0 °C | +4.6 °C | 69 mm | -1 mm |
| Dec | 10.8 °C | +0.9 °C | 157 mm | +52 mm |
The year's extremes
What was the weather like that day?
Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.
Frequently asked questions
What is the climate of Zakho?
Zakho has a hot-summer mediterranean climate (Köppen Csa). Over 1940-2025, the average annual temperature is 15.5 °C and it receives 687 mm of precipitation per year.
What is the hottest day ever recorded in Zakho?
The hottest day measured in Zakho between 1940 and 2025 was 25 July 2025, reaching 44.9 °C.
What is the coldest day in Zakho?
The coldest day measured in Zakho between 1940 and 2025 was 5 January 1942, at -21.4 °C.
Does it snow in Zakho?
Yes. Zakho gets on average 64.2 cm of snow per year and has around 70 frost days.
Has the climate of Zakho warmed?
Yes: Zakho warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Zakho?
The wettest day measured in Zakho between 1940 and 2025 was 20 November 2023, with 69 mm of rain in 24 hours.
What was the windiest day in Zakho?
The windiest day measured in Zakho between 1940 and 2025 was 16 June 1992, with winds reaching 28.5 km/h.
What is the warmest month in Zakho?
The warmest month in Zakho is July (30.0 °C on average); the coldest is January (1.8 °C).
How much does it rain in Zakho?
Zakho receives on average 687 mm of precipitation per year, spread over about 76 rainy days.
Is it sunny in Zakho?
Zakho gets on average 10.6 hours of sunshine per day, roughly 3,869 hours per year over 1940-2025.
What is the biggest single-day snowfall in Zakho?
The heaviest 24-hour snowfall measured in Zakho between 1940 and 2025 was 2 January 1992, with 25.7 cm.
Are there tropical nights in Zakho?
Yes: Zakho has on average 39 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Zakho?
In Zakho, between 1940 and 2025, the highest apparent temperature reached 44.7 °C on 6 August 1973, and the lowest was -26.1 °C on 5 January 1942.
Compare Zakho with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Zakho